68 



PKEFL OK ATION THE CALYX. 



Plate XXII 



18 



16 



19 



General subjects. Define each. Name the figures from 1 to 6. What 

 flower-buds are folded in the form of fig. 8 what like flg. 2 ? How are the 

 parts arranged in flg. If How is the Prefloration of the Kose different from 

 this ? What kind of prefloration at fig. 4 fig. 5 ? What two principal distinc- 

 tions of the Calyx ? How is it at figs. T and 8 how tn the Composite and in 

 what figures illustrated ? What is it called in these cases? Name the cluster 

 of leaves that envelope many flowers. In what figures represented ? What 

 single leaf inclosing many flowers? What is represented in fig. 14? With 

 what do the large external envelopes which inc'ose the spikelets correspond 1 

 What are they called the envelopes of the single flowers ? Name them. What 

 are their parts or pieces? What figure, and of what flower, represents the 

 common envelope or Perianth ? Is the calyx Inferior or Superior at flg. 1ft 

 flg. 18 ? How at base in the latter? 



